diff --git a/src/autoload/autoload.php b/src/autoload/autoload.php
index 16bd6e9..664de30 100644
--- a/src/autoload/autoload.php
+++ b/src/autoload/autoload.php
@@ -28,6 +28,12 @@
 
         foreach($target_files as $file)
         {
+            if(!file_exists($file))
+            {
+                trigger_error('Cannot find file ' . $file, E_USER_WARNING);
+                continue;
+            }
+
             require_once($file);
         }